12743158 has 4 divisors (see below), whose sum is σ = 19114740. Its totient is φ = 6371578.

The previous prime is 12743153. The next prime is 12743191. The reversal of 12743158 is 85134721.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 85134721 = 7 ⋅12162103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12743153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3185788 + ... + 3185791.

It is an arithmetic number, because the mean of its divisors is an integer number (4778685).

Almost surely, 2^12743158 is an apocalyptic number.

12743158 is a deficient number, since it is larger than the sum of its proper divisors (6371582).

12743158 is an equidigital number, since it uses as much as digits as its factorization.

12743158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6371581.

The product of its digits is 6720, while the sum is 31.

The square root of 12743158 is about 3569.7560140715. The cubic root of 12743158 is about 233.5746406097.

Adding to 12743158 its reverse (85134721), we get a palindrome (97877879).

The spelling of 12743158 in words is "twelve million, seven hundred forty-three thousand, one hundred fifty-eight".